On Nonhomogeneous Boundary Value Problems for the Stationary Navier--Stokes Equations in 2D Symmetric Semi-Infinite Outlets

2015/05/27 by Michel Chipot, Chipot, M., K. Kaulakyt +4
Computer Science · Mathematics · #35J65 #35Q30 #76D03 #76D05 #Advanced Mathematical Modeling in Engineering #Analysis of PDEs (math.AP) #FOS: Mathematics #FOS: Physical sciences #Mathematical Physics (math-ph) #Navier-Stokes equation solutions #Nonlinear Partial Differential Equations

paper · pdf · doi:10.48550/arxiv.1505.07384

openalex publication_date 2015/05/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We study the stationary nonhomogeneous Navier--Stokes problem in a two dimensional symmetric domain with a semi-infinite outlet (for instance, either parabo- loidal or channel-like). Under the symmetry assumptions on the domain, boundary value and external force we prove the existence of at least one weak symmetric solution without any restriction on the size of the fluxes, i.e. the fluxes of the boundary value \bf a over the inner and the outer boundaries may be arbitrarily large. Only the necessary compatibility condition (the total flux is equal to zero) has to be satisfied. Moreover, the Dirichlet integral of the solution can be finite or infinite depending on the geometry of the domain.

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